<html>
  <head>
    <title>NPAPI NPNVcontentsScaleFactor Test</title>
    <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
    <script type="application/javascript" src="plugin-utils.js"></script>
  </head>

  <body onload="runTests()">
    <script class="testbody" type="application/javascript">
     SimpleTest.waitForExplicitFinish();
     setTestPluginEnabledState(SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED);

     function checkZoomFactor(zoomFactor, expectedValue) {
       // Done as if/ok instead of is() so we don't spam test results
       if (isNaN(zoomFactor)) {
         ok(false, "Return should be valid when getting CSS zoom factor");
       }
       return (expectedValue - zoomFactor) < 0.00001;
     }

     function testZoom() {
       var pluginElement = document.getElementById("plugin");
       // setTimeout loop on value checks, as zoom value updates can take some
       // time and we don't have a good event to listen for.
       if (!checkZoomFactor(pluginElement.queryCSSZoomFactorGetValue(), 2.0) ||
           !checkZoomFactor(pluginElement.queryCSSZoomFactorSetValue(), 2.0)) {
         setTimeout(testZoom, 0);
         return;
       }
       ok(true, "Zoom values set to 2.0 as expected");
       // set back to 1 when we're done otherwise later tests can fail
       SpecialPowers.setFullZoom(window, 1.0);
       SimpleTest.finish();
     }

     function runTests() {
       var pluginElement = document.getElementById("plugin");
       // Don't check SetValue yet, needs to happen after zoom has been explicitly set.
       ok(checkZoomFactor(pluginElement.queryCSSZoomFactorGetValue(), 1.0), "Zoom values set to 1.0 as expected");
       SpecialPowers.setFullZoom(window, 2.0);
       // Check for new zoom value sometime after we've spun event loop to repaint.
       setTimeout(testZoom, 0);
     }
    </script>

    <embed id="plugin" type="application/x-test" width="400" height="400"></embed>
  </body>
</html>
